Body material: Nylon Knee pad size selection: Size S is suitable for weight 45-60kg Size M is suitable for weight 60-70kg Large for weight 70-80kg XL for weight 80-90kg XXL size is suitable for weight 90-100kg XXXL for weight 100-110kg Features 1. Prevent injuries and exercise safer 2. Paste strap:Sticky and easy to tear 3. Double bundling:Firmly protect the meniscus Packing List 1 Piece XKnee Support